Tests: add flutter_test and money formatting tests

The template counter test could never compile (no flutter_test dev
dependency, no MyApp). Replace it with unit tests for formatMoney
(INR byte-identical to the old formatter, AED, BHD) and currency parsing.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/api_service.dart

@@ -14,6 +14,8 @@ class Profile {
   final String gid, fullName, role;
   final String? employeeCode, departmentName, designationTitle, reportingManagerName;
   final bool isManager;
+  /// Org base currency (ISO 4217); null on older servers ⇒ INR.
+  final String? currency;
   Profile.fromJson(Map<String, dynamic> j)
       : gid = j['gid'] ?? '',
         fullName = j['fullName'] ?? '',
@@ -22,7 +24,8 @@ class Profile {
         departmentName = j['departmentName'],
         designationTitle = j['designationTitle'],
         reportingManagerName = j['reportingManagerName'],
-        isManager = j['isManager'] == true;
+        isManager = j['isManager'] == true,
+        currency = j['currency'] as String?;
 }
 
 class Today {
@@ -81,13 +84,16 @@ class LeaveRequest {
 class Payslip {
   final String gid, periodMonth, status;
   final num gross, totalDeductions, netPay;
+  /// Org base currency (ISO 4217); null on older servers ⇒ INR.
+  final String? currency;
   Payslip.fromJson(Map<String, dynamic> j)
       : gid = j['gid'] ?? '',
         periodMonth = j['periodMonth'] ?? '',
         status = j['status'] ?? '',
         gross = j['gross'] ?? 0,
         totalDeductions = j['totalDeductions'] ?? 0,
-        netPay = j['netPay'] ?? 0;
+        netPay = j['netPay'] ?? 0,
+        currency = j['currency'] as String?;
 }
 
 class TeamMember {
@@ -110,6 +116,9 @@ class ApiService {
   final Settings settings;
   ApiService(this.settings);
 
+  /// Org base currency from the last profile seen (login or /me/profile).
+  String? currency;
+
   Uri _uri(String p, [Map<String, String>? q]) =>
       Uri.parse('${Settings.baseUrl}$p').replace(queryParameters: q);
 
@@ -135,12 +144,17 @@ class ApiService {
       throw ApiException(_msg(body) ?? 'Invalid email or PIN', res.statusCode);
     }
     final p = Profile.fromJson(body['profile'] as Map<String, dynamic>);
+    currency = p.currency ?? currency;
     await settings.saveSession(token: body['accessToken'] as String, name: p.fullName, role: p.role);
     return p;
   }
 
   // ---- me ----
-  Future<Profile> profile() async => Profile.fromJson(await _get('/api/v1/me/profile'));
+  Future<Profile> profile() async {
+    final p = Profile.fromJson(await _get('/api/v1/me/profile'));
+    currency = p.currency ?? currency;
+    return p;
+  }
   Future<Today> today() async => Today.fromJson(await _get('/api/v1/me/attendance/today'));
 
   Future<void> checkIn({double? lat, double? lng, String? selfie}) =>

lib/money.dart

@@ -0,0 +1,18 @@
+import 'package:intl/intl.dart';
+
+/// Formats a payroll amount in the organisation's currency.
+///
+/// [currency] is the ISO 4217 code the server sends on payslips / profile
+/// (`currency`). Missing or blank ⇒ INR, which keeps the original output:
+/// rupee sign, Indian lakh grouping, no decimals (e.g. `₹1,23,457`).
+/// Other currencies print the ISO code and the currency's own minor units
+/// (e.g. `AED 12,345.50`, `BHD 1,234.500`).
+String formatMoney(num v, [String? currency]) {
+  final code = (currency ?? '').trim().toUpperCase();
+  if (code.isEmpty || code == 'INR') {
+    return '₹${NumberFormat('#,##,###').format(v)}';
+  }
+  // NumberFormat.currency picks the ISO default fraction digits for `name`
+  // (BHD/KWD/OMR 3, JPY 0, most others 2).
+  return NumberFormat.currency(locale: 'en', name: code, symbol: '$code ').format(v);
+}

lib/screens/payslips_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import '../api_service.dart';
+import '../money.dart';
 import '../theme.dart';
 
 class PayslipsScreen extends StatefulWidget {
@@ -40,7 +41,8 @@ class _PayslipsScreenState extends State<PayslipsScreen> {
     }
   }
 
-  String _inr(num v) => '₹${NumberFormat('#,##,###').format(v)}';
+  /// Payslip currency, else the profile's, else INR (older servers).
+  String _money(Payslip p, num v) => formatMoney(v, p.currency ?? widget.api.currency);
 
   @override
   Widget build(BuildContext context) {
@@ -62,7 +64,7 @@ class _PayslipsScreenState extends State<PayslipsScreen> {
               title: Text(_month(p.periodMonth), style: const TextStyle(fontWeight: FontWeight.w600)),
               subtitle: const Text('Net pay'),
               trailing: Column(mainAxisAlignment: MainAxisAlignment.center, crossAxisAlignment: CrossAxisAlignment.end, children: [
-                Text(_inr(p.netPay), style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: AppColors.emerald)),
+                Text(_money(p, p.netPay), style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: AppColors.emerald)),
                 Text(p.status, style: const TextStyle(fontSize: 11, color: AppColors.muted)),
               ]),
               onTap: () => showModalBottomSheet(
@@ -72,10 +74,10 @@ class _PayslipsScreenState extends State<PayslipsScreen> {
                   child: Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.stretch, children: [
                     Text(_month(p.periodMonth), style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: AppColors.navy)),
                     const SizedBox(height: 16),
-                    _row('Gross earnings', _inr(p.gross)),
+                    _row('Gross earnings', _money(p, p.gross)),
-                    _row('Total deductions', '− ${_inr(p.totalDeductions)}'),
+                    _row('Total deductions', '− ${_money(p, p.totalDeductions)}'),
                     const Divider(height: 24),
-                    _row('Net pay', _inr(p.netPay), bold: true),
+                    _row('Net pay', _money(p, p.netPay), bold: true),
                     const SizedBox(height: 16),
                     const Text('Full PDF payslip is available on the Scalar360 web portal.',
                         style: TextStyle(fontSize: 12, color: AppColors.muted)),

pubspec.lock

@@ -33,6 +33,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.13.1"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
   characters:
     dependency: transitive
     description:
@@ -61,10 +69,10 @@ packages:
     dependency: transitive
     description:
       name: clock
-      sha256: e51d50bca3217c9a9fa2b41a30e4a38971133f5f9ec7a3d57bae095007f1d28e
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.3"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
@@ -105,6 +113,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.9"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.3"
   ffi:
     dependency: transitive
     description:
@@ -198,6 +214,11 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.35"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -363,6 +384,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.12.0"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.0.2"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.10"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -371,6 +416,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.19"
   material_color_utilities:
     dependency: transitive
     description:
@@ -528,6 +581,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.2"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
@@ -544,6 +613,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.2"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.11"
   typed_data:
     dependency: transitive
     description:
@@ -640,6 +717,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: "89b11d62e1040ee681af3b4f1c97a803ecbf010c6e8b9c5896ee5b08c3bf7b78"
+      url: "https://pub.dev"
+    source: hosted
+    version: "15.4.0"
   web:
     dependency: transitive
     description:

pubspec.yaml

@@ -20,6 +20,8 @@ dependencies:
   cupertino_icons: ^1.0.6
 
 dev_dependencies:
+  flutter_test:
+    sdk: flutter
   flutter_launcher_icons: ^0.14.0
   flutter_native_splash: ^2.4.0
   flutter_lints: ^4.0.0

test/money_test.dart

@@ -0,0 +1,42 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:intl/intl.dart';
+import 'package:scalar_attendance/api_service.dart';
+import 'package:scalar_attendance/money.dart';
+
+void main() {
+  // The formatter the payslips screen used before org currencies.
+  String legacyInr(num v) => '₹${NumberFormat('#,##,###').format(v)}';
+
+  group('formatMoney', () {
+    test('missing / INR currency is byte-identical to the old rupee output', () {
+      for (final v in [0, 7, 999, 1000, 54321, 123456.7, 1234567, 98765432.49]) {
+        expect(formatMoney(v), legacyInr(v));
+        expect(formatMoney(v, null), legacyInr(v));
+        expect(formatMoney(v, ''), legacyInr(v));
+        expect(formatMoney(v, 'INR'), legacyInr(v));
+        expect(formatMoney(v, 'inr'), legacyInr(v));
+      }
+      expect(formatMoney(1234567), '₹12,34,567');
+    });
+
+    test('AED uses the ISO code, western grouping and 2 decimals', () {
+      expect(formatMoney(12345.5, 'AED'), 'AED 12,345.50');
+      expect(formatMoney(0, 'AED'), 'AED 0.00');
+    });
+
+    test('BHD uses 3 decimals', () {
+      expect(formatMoney(1234.5, 'BHD'), 'BHD 1,234.500');
+    });
+  });
+
+  group('payslip / profile currency', () {
+    test('parsed when present, null on older servers', () {
+      final withCur = Payslip.fromJson({'gid': 'p1', 'netPay': 10, 'currency': 'AED'});
+      final without = Payslip.fromJson({'gid': 'p1', 'netPay': 10});
+      expect(withCur.currency, 'AED');
+      expect(without.currency, isNull);
+      expect(Profile.fromJson({'currency': 'SAR'}).currency, 'SAR');
+      expect(Profile.fromJson({}).currency, isNull);
+    });
+  });
+}

test/widget_test.dart

@@ -1,30 +0,0 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility in the flutter_test package. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:scalar_attendance/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}